MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically the URL https://ttraff.ru/wix?keyword=amliyat+books+urdu+free. It also contains a large number of external PDF links, suggesting a link farm. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/wix?keyword=amliyat+books+urdu+free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_bad97f0b12274ba5a00f058d6c8764b1.pdf
- https://static.usrfiles.com/ugd/accd1f_3298d6efb4db41c594e3ddb298864413.pdf
- https://static.usrfiles.com/ugd/3826db_5d75de03266f486d96056f34d30a235a.pdf
- https://static.usrfiles.com/ugd/b8c837_d786e40b2a564df98fcbab1ef2337c20.pdf
- https://static.usrfiles.com/ugd/e3ed1f_da4d3382e330462d9a8d450a12d783e2.pdf
- https://cdn.shopify.com/s/files/1/0431/5866/7415/files/mujugatowul.pdf
- https://cdn.shopify.com/s/files/1/0430/7202/8823/files/62018726243.pdf
- https://cdn.shopify.com/s/files/1/0439/1793/4747/files/xuwepapasirowokaverup.pdf
- https://cdn.shopify.com/s/files/1/0429/1585/6550/files/bubaxa.pdf
- https://cdn.shopify.com/s/files/1/0432/8862/5316/files/bosch_exxcel_dishwasher_troubleshooting_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/6961/2966/files/star_wars_west_end.pdf
- https://cdn.shopify.com/s/files/1/0433/7382/2115/files/69308769385.pdf
- https://cdn.shopify.com/s/files/1/0434/9214/7366/files/canciones_para_guitarra_en.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b03.bin1c2e472a04b41f10e3be059e7d8cd9a982ecfaea76ec9d0b9fde21e059fad7ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B03 | 5348 bytes |
font_01_sfnt_off00007d1f.bin213c21b56ffe33245433ba82603aa2ebc7ddbe602f567ba7069ceed80c9df334 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D1F | 9912 bytes |
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